2451223125 has 60 divisors (see below), whose sum is σ = 4764884124. Its totient is φ = 1206720000.

The previous prime is 2451223097. The next prime is 2451223141. The reversal of 2451223125 is 5213221542.

2451223125 is a `hidden beast` number, since 2 + 4 + 512 + 23 + 125 = 666.

It can be written as a sum of positive squares in 10 ways, for example, as 2362543236 + 88679889 = 48606^2 + 9417^2 .

It is not a de Polignac number, because 2451223125 - 2⁷ = 2451222997 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 59 ways as a sum of consecutive naturals, for example, 56365 + ... + 89885.

Almost surely, 2^2451223125 is an apocalyptic number.

2451223125 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

2451223125 is a deficient number, since it is larger than the sum of its proper divisors (2313660999).

2451223125 is a wasteful number, since it uses less digits than its factorization.

2451223125 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33560 (or 33542 counting only the distinct ones).

The product of its digits is 4800, while the sum is 27.

The square root of 2451223125 is about 49509.8285696891. The cubic root of 2451223125 is about 1348.3240519543.

Adding to 2451223125 its reverse (5213221542), we get a palindrome (7664444667).

The spelling of 2451223125 in words is "two billion, four hundred fifty-one million, two hundred twenty-three thousand, one hundred twenty-five".